A childhood fascination with archaeology and a chance encounter with a 2,700-year-old Egyptian mummy are helping Vermont doctors and law enforcement officials find truth in some of the most challenging of modern-day crimes: the unexplained deaths of young children.
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Health experts now claim that CT scans, a routine part of medicine, may be exposing patients to unnecessary amounts of radiation. While a concern for adult patients, the radiation risk is a far greater problem for younger pediatric patients. NBC’s Robert Bazell reports.

Feb. 6: This 3-D animation of the mandible from Lucy's fossilized hominid skeleton was constructed from CT scanning data. The video shows the external anatomy of the mandible as well as internal view of the mandible and teeth.

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AFP

The head of Mohammed al-Atrash, 8, is seen on a computer screen as he undergoes a CT Scan at a hospital in the rebel-held city of Benghazi in eastern Libya, on April 19, 2011. The child, who suffered an eye injury, was evacuated from Misrata, along with other injured civilians and rebels as the Inte

AP

A cat is prepped in a CAT Scan at the Animal Medical Center of New York, Tuesday, June 22, 2010.